Abstract: The present invention relates to a hydrogen storage alloy, an electrode for a Ni-MH battery, a secondary battery, and a method for preparing the hydrogen storage alloy. The chemical composition of the hydrogen storage alloy is expressed by the general formula La(3.0˜3.2)xCexZrySm(1-(4.11˜4.2)x-y)NizCouMnvAlw, where x, y, z, u, v, w are molar ratios, and 0.14?x?0.17, 0.02?y?0.03, 4.60?z+u+v+w?5.33, 0.10?u?0.20, 0.25?v?0.30, and 0.30?w?0.40. The atomic ratio of the metal lanthanum (La) to the metal cerium (Ce) is fixed at 3.0 to 3.2, which satisfies the requirements of the overcharge performance of the electrode material. A side elements are largely substituted by samarium (Sm) element, that is, the atomic ratio of Sm on the A side is 25.6% to 42%, so as to solve the problem of shortened cycle life caused by the small amount of cobalt (Co) atoms.

Abstract: A low-thermal-shrinkage polyester industrial yarn and preparation method thereof are provided. The low-thermal-shrinkage polyester industrial yarn is prepared by spinning and winding a modified polyester after solid-state polycondensation to increase viscosity. The preparation method of the modified polyester includes: after uniformly mixing terephthalic acid, ethylene glycol, 2,5-pyridinedicarboxylic acid and copper chloride, successively performing an esterification reaction and a polycondensation reaction to obtain the modified polyester. The polyester segments of the prepared low-thermal-shrinkage polyester industrial yarn comprises a terephthalic acid segment, an ethylene glycol segment and a 2,5-pyridinedicarboxylic acid segment, and 2,5-pyridinedicarboxylic acid segments of different polyester segments are coordinated by Cu2+. The molar ratio of the terephthalic acid segment to the 2,5-pyridinedicarboxylic acid segment is 1:(0.03-0.05).

Abstract: A high-strength thermal-stability polyester industrial yarn is prepared by spinning, winding and coordination treatment of a modified polyester after a solid-state polycondensation; wherein the method of coordination treatment comprises: soaking the wound fiber in an aqueous solution of a coordination agent, and the concentration of the aqueous solution of the coordination agent is 0.1-0.2 mol/L; wherein the condition of coordination treatment is 48-72 hours at 80-100° C., and the concentration of the aqueous solution of the coordination agent is 0.1-0.2 mol/L; wherein the polyester segments of the prepared high-strength thermal-stability polyester industrial yarn comprises a terephthalic acid segment, an ethylene glycol segment and a 2,6-pyridinedicarboxylic acid segment, and 2,6-pyridinedicarboxylic acid segments of different polyester segments are coordinated by Fe3+, the molar ratio of the terephthalic acid segment to the 2,6-pyridinedicarboxylic acid segment is 1:(0.03-0.05).

Abstract: Apparatus and methods are provided for enhanced AM RLC for NB-IoT UE in the NTN. In one novel aspect, the UE is configured with HARQ disabled, and configured with fast polling and/or fast status report for AM RLC enhancement. In one embodiment, the UE is configured with shortened AM window size, and wherein the shortened window size is smaller than an AM window size for an NB-IoT device. In other embodiments, the fast polling is triggered based on PDU threshold or byte threshold, or triggered based on an NTN polling timer, or triggered based on a combination of an NTN polling timer and one or more threshold triggers. In one embodiment, UE is configured to autonomously send a status report when a reception failure of an RLC PDU is detected, and wherein the status report is sent by a semi-persistent scheduling (SPS) uplink resource.

Abstract: A secondary reflector composed of two reflectors and a fixing frame, which utilizes a principle that a distant object is imaged on eyes in a triangular form that an object image gradually narrows down from a wider range to a narrower range. According to change of width of a lights range of the object image on an observed object plane at reflection points, the reflectors with appropriate sizes are arranged at the reflection point. A sight line is perpendicular to a direction of the upper body; the second reflector (2) is located directly in front of the eyes in the sight line direction; the reflectors are fixed by a frame which is not supported on the body. For the secondary reflector, angles and positions of the reflectors are adjustable, and a reference included angle between the reflector (1) and the reflector (2) is set to 45 degrees.

Abstract: A method for processing an interrupt request includes: receiving a first interrupt request, where operations that the first interrupt request requests to execute include a first operation, execution of the first operation needs to occupy a critical resource, and the critical resource cannot be simultaneously occupied by a plurality of operations; determining, based on at least the received first interrupt request, that the first operation is an operation that does not need to be executed immediately; and storing the first operation into a temporary storage area.

Abstract: A device may include a vehicle comprising a plurality of network zones, each network zone comprising a plurality of end points. A device may include a controller, comprising: a log monitoring component configured to interpret a log corpus associated with at least one of the plurality of end points, a log analysis component configured to detect a risk event in response to the log corpus, and a risk response component configured to perform a risk response operation in response to the detected risk event.

Abstract: A high-strength creep-resistant polyester industrial yarn and preparation method thereof are provided. The high-strength creep-resistant polyester industrial yarn is prepared by spinning, winding and coordination treatment of a modified polyester after solid-state polycondensation to increase viscosity. The condition of coordination treatment is 60-72 hours at 80-100° C. The coordination agent is AgNO3, FeCl2, CuCl2, or NiCl2. The polyester segments of the prepared high-strength creep-resistant polyester industrial yarn includes a terephthalic acid segment, an ethylene glycol segment and a 2-(4-pyridine) terephthalic acid segment, and 2-(4-pyridine) terephthalic acid segments of different polyester segments are coordinated by metal ions (Ag+, Fe2+, Cu2+ or Ni2). The molar ratio of the terephthalic acid segment to the 2-(4-pyridine) terephthalic acid segment is 1:(0.03-0.05). The N atom on the pyridine of the 2-(4-pyridine) terephthalic acid segment is involved in coordination.

Abstract: The present disclosure provides a system and method for a refinement processing of xylitol fermentation broth. The system includes a fermentation component, a filtration and impurity removal component, and a refinement component. The fermentation component is configured to perform a fermentation processing on a raw material containing xylitol to obtain sediments and supernatant fermentation broth. The filtration and impurity removal component includes a ceramic membrane filter, a nanofiltration membrane filter, an activated carbon filter, and ion exchange columns. The ceramic membrane filter is configured to filter the supernatant fermentation broth to obtain ceramic membrane discharge liquid. The nanofiltration membrane filter is configured to perform a nanofiltration membrane filtration processing on the ceramic membrane discharge liquid to obtain nanofiltration liquid.

Abstract: An auxiliary focusing method, device and system. When a user uses an image capturer to photograph a target scene, an auxiliary focus image can be generated based on depth information of objects in the target scene, and the auxiliary focus image can visually display the depth distribution of the objects in the target scene and a corresponding position of a focus point of the image capturer in the target scene, so that the user can intuitively understand the current position of the focus point from the auxiliary focus image and adjust the position of the focus point according to the depth distribution of the objects, so that an object of interest to the user can be clearly imaged.

Abstract: The present invention relates to a system for jointly producing erythritol and liquid sorbitol by using a corn starch, including a liquefaction tank, a saccharification tank, a filter and a nanofiltration assembly. The liquefaction tank is used to perform liquefaction for the corn starch, the saccharification tank is used to perform saccharification for the liquefied material, the filter is used to filter out impurities in the saccharified material to obtain a glucose liquid, and the nanofiltration assembly is used to perform nanofiltration for the filtered glucose liquid to respectively obtain a dialysate and a concentrate. The system further includes a fermentation and crystallization assembly for performing fermentation and crystallization for the dialysate to prepare crystalline erythritol, and a hydrogenation and evaporation assembly for performing hydrogenation and evaporation for the concentrate to prepare liquid sorbitol.

Abstract: A roadside apparatus and a communication beam pointing direction adjusting method thereof are provided. A first radio frequency identification reader detects a first response signal of a wireless identification tag of a first mobile vehicle to obtain first signal strength information. The first signal strength information corresponds to strength of the first response signal. A first roadside unit determines a position of the first mobile vehicle according to the first signal strength information, and directs a communication beam of the first roadside unit to the first mobile vehicle.

Abstract: A snapping structure is provided, which is configured to detachably mount a body to a support frame. The snapping structure includes a locking member movably disposed on the body and a positioning member disposed on the support frame and mated with the locking member. The locking member is movable to be locked to the positioning member, so as to mount the body to the support frame, or the locking member is movable to be unlocked from the positioning member, so as to separate the body from the support frame.

Abstract: A heat-pipe type heat extraction integrated with combined cooling power and heating exploitation-utilization integrated geothermal system includes an underground heat pipe, a steam pump, a first absorption bed, a second absorption bed, a first condenser, an electronic expansion valve, an evaporator, a liquid storage tank, a balance valve, a steam turbine, an generator connected to the steam turbine, a second condenser, a heat utilization device connected to the second condenser, a pressurizing pump connected to the second condenser, and relevant linkage valve assemblies. The system controls a flow direction and a flow rate after heat pipe steam is extracted from the ground through the steam pump and the regulating valves on the refrigeration side and the power generation side, so as to select the refrigeration/electric heating single-mode heat utilization or adjust flow distribution during refrigeration/electric heating dual-mode combined use.

Abstract: A heat pump system and a method for implementing efficient evaporation by using a geothermal well are provided. The system includes a stepped underground evaporator, a compressor, a condenser, a liquid storage tank, and a throttle. The underground evaporator includes an inner pipe and an outer pipe. The inner pipe is designed into a multi-section structure. Each section includes a gas guiding pipeline, a baffle plate, and a seepage hole. Under the action of the structure, a liquid working medium flowing into the underground evaporator flows downwards along an inner wall of the outer pipe, and absorbs heat from an underground rock mass and gasifies into a gas working medium; and the gas working medium flows upwards to ground. Compared with the prior art, neither gas-liquid re-entrainment nor a liquid accumulation effect can occur in the underground evaporator designed according to the system and method.

Abstract: A preparation method of self-crimping elastic combined filament yarns for knitting is disclosed, wherein the combined filament yarns are extruded from the same spinneret; a first fiber-forming polymer melt is divided into two ways, one is directly extruded after distribution; and the other is extruded after distribution by side-by-side composite spinning together with a second fiber-forming polymer melt; the first fiber-forming polymer and the second fiber-forming polymer are compatible or partially compatible; on the same spinneret, a ratio of the number of spinneret holes m for direct extrusion to the number of spinneret holes n for extrusion after distribution by side-by-side composite spinning is 1:(5-10); the self-crimping elastic combined filament yarns for knitting are prepared according to specific spinning processes, wherein the combined filament yarn mainly comprises a first fiber-forming polymer monofilament and a first/second fiber-forming polymer side-by-side composite monofilament; wherein the m

Abstract: The disclosure relates to the technical field of virus detection, in particular, to an IgA antibody and a kit capable of specifically recognizing RBD protein. The antibody can be used as a calibrator of IgA antibody against the RBD protein of SARS-CoV-2.

Abstract: A load-stabilizing apparatus includes a load-connecting member configured to carry a load, a connecting assembly connected to the load-connecting member, and a stabilizing motor drivingly connected to the connecting assembly and configured to drive the connecting assembly to move, such that the connecting assembly drives the load-connecting member to move translationally.

Abstract: A degradable polyester fiber and its preparation method are disclosed. The preparation method is to cool a PET melt dispersing with doped ZrO2 powder by ring-blowing after extruded from a trilobal spinneret hole on a spinneret, and manufacture a fully drawn yarn (FDY) according to an FDY process with the PET melt, then the degradable polyester fiber is prepared after a relaxation heat treatment. The trilobal spinneret hole on the spinneret has three leaves with unequal lengths and angles, and all the trilobal spinneret holes are distributed in concentric circles, with a center line of the leaf opposite to the smallest angle in each trilobal spinneret hole passing through the center of the circle, and pointing away from the center of the circle. The process is simple, and the obtain fiber has good performances in degradation and elasticity.

Abstract: A snapping structure is provided, which is configured to detachably mount a body to a support frame. The snapping structure includes a locking member movably disposed on the body and a positioning member disposed on the support frame and mated with the locking member. The locking member is movable to be locked to the positioning member, so as to mount the body to the support frame, or the locking member is movable to be unlocked from the positioning member, so as to separate the body from the support frame.